Home / 963,528.87-1,445,364.98-289,556.22

Finding the Fourth Proportional to 963,528.87, 1,445,364.98 and 289,556.22

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Solution

The fourth proportional to 963,528.87, 1,445,364.98 and 289,556.22 is: 434,355.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    963,528.87 : 1,445,364.98 = 289,556.22 : x
  2. Step 2: Convert to fraction form
    963,528.87/1,445,364.98 = 289,556.22/x
  3. Step 3: Cross multiply
    963,528.87x = 1,445,364.98 × 289,556.22
  4. Step 4: Simplify right side
    963,528.87x = 418,514,420,129.18
  5. Step 5: Solve for x
    x = 418,514,420,129.18/963,528.87
  6. Step 6: Final answer
    x = 434,355.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.